EP 0500938 A4 19930127 - METHOD AND SERVICE FOR PREPARATION OF STANDARD VAPOUR-GAS MIXTURE OF SUBSTANCE TO BE ANALYZED
Title (en)
METHOD AND SERVICE FOR PREPARATION OF STANDARD VAPOUR-GAS MIXTURE OF SUBSTANCE TO BE ANALYZED
Publication
Application
Priority
- SU 9100109 W 19910530
- SU 4857234 A 19900806
Abstract (en)
[origin: EP0500938A1] A method for the preparation of a standard vapour-gas mixture of a substance to be analyzed consists in maintaining the substance to be analyzed at constant temperature and effecting a diffusion of the substance into a free volume, through which flows a gas carrier, from its solid phase. For that purpose, in a device for preparation of a standard vapour-gas mixture of a substance to be analyzed, and to complement the said method,there is a means (3) providing for penetration of the substance to be analyzed into a free volume, through which flows a gas carrier comprising a solid photographite matrix (4) whose interplane cavities serve as receptacles for the substance to be analyzed, and a casing (5) in which is placed said matrix (4). In a specific embodiment, the matrix (4) consists of a disk (60) provided with a channel (59). <IMAGE>
IPC 1-7
IPC 8 full level
G01N 1/34 (2006.01); G01N 30/04 (2006.01); G01N 33/00 (2006.01); G01N 1/22 (2006.01); G01N 1/28 (2006.01); G01N 1/40 (2006.01)
CPC (source: EP)
G01N 1/34 (2013.01); G01N 30/04 (2013.01); G01N 33/0011 (2013.01); G01N 1/2214 (2013.01); G01N 1/405 (2013.01); G01N 2001/2893 (2013.01); G01N 2001/4066 (2013.01)
Citation (search report)
- [X] WO 9004174 A1 19900419 - FRANKLIN INSTR INC [US]
- [X] US 4083885 A 19780411 - RODEWALD PAUL G
- [A] EP 0360901 A1 19900404 - LEYBOLD AG [DE]
- [A] EP 0047860 A1 19820324 - INTERATOM [DE]
- [A] US 4865996 A 19890912 - CASTLEMAN BRUCE W [US], et al
- [A] PATENT ABSTRACTS OF JAPAN vol. 10, no. 64 (P-436)(2121) 14 February 1986 & JP-A-60 205 246 ( NOUBI BOUSAI KOGYO ) 16 October 1985
- [A] ANALYTICAL CHEMISTRY vol. 56, no. 13, October 1984, COLUMBUS US pages 2500 - 2503 IOFFE, B.V. ET AL.
- See references of WO 9202812A1
Designated contracting state (EPC)
AT BE CH DE DK ES FR GB IT LI LU NL SE
DOCDB simple family (publication)
EP 0500938 A1 19920902; EP 0500938 A4 19930127; EP 0500938 B1 19970102; AT E147164 T1 19970115; DE 69123953 D1 19970213; DE 69123953 T2 19970522; WO 9202812 A1 19920220
DOCDB simple family (application)
EP 91910376 A 19910530; AT 91910376 T 19910530; DE 69123953 T 19910530; SU 9100109 W 19910530